C111123313121111121111331333133313331323132333132313233313221323231   >>    C11112331312111112111133133313331333132313233313231323331322132323   <<    C111123313121111121111331333133313331323132333132313233313221323233   >>      C111123313121111121111331333133313331323132333132313233313221323232   >>